EngageNY
Least Common Multiple and Greatest Common Factor
Find the common denominator between prime factors, factor trees, and the distributive property. Scholars learn to find the least common multiple and greatest common factor of pairs of numbers. They rotate through stations to connect...
Mathed Up!
HCF, LCM, and Product of Primes
Give the class a prime example of using prime numbers. After reviewing prime factorization of numbers with the video, pupils use their knowledge to determine greatest common factors and least common multiples in the worksheet. The...
Scholastic
Study Jams! Least Common Multiple
RJ instructs your sixth graders in two different methods of determining least common multiples. The first is by listing several multiples of each number, and the second is by drawing factor trees. This is an ideal flipped classroom...
Curated OER
Least Common Multiple
Give students detailed instructions on how to find the Least Common Multiple as well as practice with this thorough introductory worksheet. Instructions for this worksheet include an explanation of both guess and check as well as prime...
Curated OER
Working With Common Factors and Common Multiples
In this math learning exercise, students learn to find common factors and common multiples for sets of numbers. First students circle the common factors they see in the examples given. Then students list the factors and multiples for...
CK-12 Foundation
Common Multiples: Sports Calendar
Using a calendar, basketballs, and tennis balls, young mathematicians determine the common multiples of four and six. Individuals drag and drop the balls onto the correct dates each sport will be played, allowing them to see which days...
Online Math Learning
Word Problems That Use GFC or LCM
This is a webpage that contains five word problems requiring learners to find the least common multiple or least common denominator.
Curated OER
LCM: Factor Trees, Numbers Up to 10
Fourth and fifth graders complete factor trees to find the lowest common multiple out of the two numbers given up to the number 10. Students complete four problems.
Curated OER
Greatest Common Factor and Least Common Multiple Story Problems
In this story problems worksheet, students determine whether to find either the greatest common factor or the least common multiple in order to solve the problem.
Curated OER
Number Sense and Numeration: Multiples, Factors and Square Roots
A great resource for any math teacher covering multiples, factors or square roots; this worksheet walks young mathematicians through the logic behind factoring and square roots with a systematic set of problems which gradually increase...
Curated OER
Factors and Fractions
Find the greatest common factor of numbers. Learners review prime and composite numbers and how to find the prime factorization of a number. They also review the greatest common factor, least common multiple, and learn new ways to find...
Curated OER
Least Common Multiples
In this math activity, students find the least common multiple of sets of numbers. Students factor each number to their prime factorization. They use the primes to find the least common multiples. This is a activity generator, the...
Curated OER
Common Factors and Common Multiples and Simple Exponents
Young scholars explore factors and multiples. In this factors and multiples lesson, students learn the vocabulary words factor, common factor, multiple and common multiple. Young scholars view examples of each and then complete activity...
Curated OER
Factors and Multiples
Middle schoolers use the factor box process for identifying the greatest common factor and the least common multiple for 10 pairs of numbers. This single-page worksheet is simple, and makes a useful assignment for practicing factoring...
Curated OER
Mission: Finding the LCM using Prime Factorization
In this prime factorization worksheet, students find the least common multiple of the given pair of numbers using factor trees. Students solve 10 problems.
Curated OER
My Test Book: Multiples and Factors
In this online interactive math skills learning exercise, students solve 10 multiple choice math problems regarding multiples and factors. Students may submit their answers to be scored.
Curated OER
My Test Book: Multiples and Factors
In this online interactive math skills learning exercise, students solve 10 multiple choice math problems regarding multiples and factors. Students may view the correct answers.
Texas Instruments
Greatest Common Divisor and Least Common Multiple
Students solve problems using the GCD and LCM. In this algebra lesson, students factor and simplify equations using the greatest common and least common factors and multiples. They factor integers in pairs.
CK-12 Foundation
Greatest Common Factor Using Factor Trees
Beginning with a description that sets the stage, learners are asked to break down the numbers 42 and 63 to find the greatest common denominator using factor trees. As they work through the factoring process, young mathematicians are...
PBS
Working with Common Denominators: Assessments
Now that the practice is over, see if young mathematicians can utilize their new skills on finding common denominators and adding fractions. The assessment contains one map challenge and follows with skills practice.
Curated OER
Primes and Prime Factors
In this primes and prime factors worksheet, 8th graders solve 21 different problems to include identifying each number as prime, composite, or neither prime nor composite and listing all the primes less than 200. Then they complete each...
Curated OER
Factors
In this factors worksheet, students identify factors of given numbers. They identify prime numbers and name the least common multiple. This two-page worksheet contains 24 problems. This worksheet is designed to be completed mentally.
Curated OER
Number Sense and Operations
In this number sense and operations worksheet, learners solve 15 different problems that include number lines and identifying various types of numbers. First, they solve a given equation and then check their work. Then, students find the...
Curated OER
Addition and Subtraction of Rational Expressions
In this rational expressions instructional activity, 9th graders solve and complete 15 different problems that include adding and subtracting rational expressions. First, they define Least Common Multiple to get a common denominator in...